" /> Homocarnosinosis - CISMeF





ICD-11 code : 5C50.F2;

Preferred Label : Homocarnosinosis;

ICD-11 definition : Homocarnosinosis is a metabolic defect characterised by progressive spastic diplegia, intellectual deficit and retinitis pigmentosa. This extremely rare disorder has been reported in only one family, namely a woman and three of her children. The latter showed but their mother was symptom free. It is therefore uncertain whether there is a relationship between the biochemical defect and the clinical symptoms. Inheritance in the reported family seems to be autosomal dominant.;

ICD-11 synonym : Serum carnosinase deficiency; Homocarnosinase deficiency;

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Homocarnosinosis is a metabolic defect characterised by progressive spastic diplegia, intellectual deficit and retinitis pigmentosa. This extremely rare disorder has been reported in only one family, namely a woman and three of her children. The latter showed but their mother was symptom free. It is therefore uncertain whether there is a relationship between the biochemical defect and the clinical symptoms. Inheritance in the reported family seems to be autosomal dominant.

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02/05/2025


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